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$39+ Cheap flights from San Diego (SAN) to Sonoma, CA

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SFO
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Sonoma are usually found in January or February, booked 51 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from San Diego to Sonoma

Keep the following information in mind while searching for San Diego to Sonoma flight deals. Data was last updated June 18, 2025.

Round-trip from

$57
(Southwest)

One-way from

$39
(Southwest)

Popular in

August

Cheapest in

January

Average price

$148
From San Diego to Sonoma
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One-way flight from San Diego to Sonoma
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Highest demand for flights based on searches. 3% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from San Diego to Sonoma

Cheapest flights from San Diego to Sonoma
Explore the most affordable flight options available from San Diego to Sonoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:35 amSAN - SFO
Nonstop1h 40mSouthwest
Mon 7/281:50 pmSFO - SAN
Nonstop1h 35mSouthwest
Deal found 6/16$57
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/266:20 amSAN - SFO
Nonstop1h 38mUnited Airlines
Mon 6/3010:35 pmSFO - SAN
Nonstop1h 40mUnited Airlines
Deal found 6/16$67
This Trip.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:18 pmSAN - SFO
Nonstop1h 41mHawaiian Airlines
Wed 9/36:00 amSFO - SAN
Nonstop1h 41mHawaiian Airlines
Deal found 6/17$70
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:15 amSAN - SFO
Nonstop1h 45mAlaska Airlines
Sun 7/136:00 amSFO - SAN
Nonstop1h 42mAlaska Airlines
Deal found 6/16$77
This Frontier deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:15 amSAN - SFO
Nonstop1h 52mFrontier
Mon 9/11:02 pmSFO - SAN
Nonstop1h 43mFrontier
Deal found 6/18$78
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/115:53 pmSAN - SFO
Nonstop1h 46mMultiple Airlines
Sun 7/136:00 amSFO - SAN
Nonstop1h 42mMultiple Airlines
Deal found 6/16$81
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:40 pmSAN - SFO
1 stop5h 44mAmerican Airlines
Wed 10/18:46 amSFO - SAN
1 stop6h 35mAmerican Airlines
Deal found 6/16$159
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:35 pmSAN - SFO
1 stop3h 36mDelta
Mon 7/287:29 pmSFO - SAN
1 stop4h 13mDelta
Deal found 6/16$177

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Sonoma that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from San Diego to Sonoma that are best for you.

Fly from

San Diego

Fly to

Sonoma

Route

Depart

Return

Price

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 7/24

9:45 am-11:23 am

Nonstop1h 38m

San Francisco

Mon 7/28

10:35 pm-12:15 am

Nonstop1h 40m

$57

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 8/27

10:18 pm-11:59 pm

Nonstop1h 41m

San Francisco

Wed 9/3

6:00 am-7:41 am

Nonstop1h 41m

$70

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 7/10

6:15 am-8:00 am

Nonstop1h 45m

San Francisco

Sun 7/13

6:00 am-7:42 am

Nonstop1h 42m

$77

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 8/28

10:15 am-12:07 pm

Nonstop1h 52m

San Francisco

Mon 9/1

1:02 pm-2:45 pm

Nonstop1h 43m

$78

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Fri 7/11

5:53 pm-7:39 pm

Nonstop1h 46m

San Francisco

Sun 7/13

6:00 am-7:42 am

Nonstop1h 42m

$81

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Wed 8/6

6:30 am-1:00 pm

2 stops6h 30m

San Francisco

Thu 8/7

6:00 am-7:30 am

Nonstop1h 30m

$82

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 8/21

4:20 pm-10:40 pm

1 stop6h 20m

San Francisco

Sun 8/24

8:40 am-3:25 pm

1 stop6h 45m

$168

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Tue 7/15

9:59 am-2:50 pm

1 stop4h 51m

San Francisco

Tue 7/15

6:50 pm-10:54 pm

1 stop4h 04m

$171

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Thu 8/21

10:18 pm-11:59 pm

Nonstop1h 41m

$39

San DiegoSan Francisco

SAN - SFO

SANSFO

San Diego

Sat 6/28

5:53 pm-7:36 pm

Nonstop1h 43m

$48

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 16 results
1
2

Best time to book a flight from San Diego to Sonoma

Have a flexible travel schedule? Discover the best time to fly to Sonoma from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Sonoma

How far ahead should I book a flight from San Diego to Sonoma?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Sonoma. Price data was last updated on June 13, 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Sonoma. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Diego to Sonoma?

Currently, January is the cheapest month in which you can book a flight from San Diego to Sonoma (average of $276). Flying from San Diego to Sonoma in June is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to SN9?

Find hourly flight availability from San Diego to Sonoma. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

When flying from San Diego to Sonoma, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from San Diego to Sonoma?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Sonoma. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Sonoma flight should consider departing on Friday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Diego to Sonoma

Explore weekly flight availability from San Diego to Sonoma. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 18, 2025.

The most flights from SAN to SN9 are scheduled on a Monday (84 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

Rainfall in Sonoma by month

Plan your trip to Sonoma by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sonoma ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Sonoma when rainfall is around 0.0 in.

Temperature in Sonoma by month

Plan your trip to Sonoma by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sonoma, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sonoma

Get insights into the airlines that provide service to Sonoma. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sonoma. Reviews last updated June 18, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to Sonoma by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,507 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Sonoma. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Sonoma?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to Sonoma from San Diego. Booking flights from San Diego (SAN) to Sonoma should be relatively easy as there are 71 daily outbound flights to Sonoma from 8 different airlines.

  • How popular is this San Diego to Sonoma flight route?

    This flight path from San Diego to Sonoma was viewed by 212 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from San Diego to Sonoma one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $39. However, be on the lookout for offers from Frontier and Alaska Airlines, as they are both options that can get you from San Diego to Sonoma for a low price.

  • What are the most reliable airlines from San Diego to Sonoma?

    Before booking your flight to Sonoma from San Diego, check out the most reliable airlines to get you to your destination on time: Emirates (92%), Lufthansa (89%), Iberia( 86%).

  • What are the cheapest flights from San Diego to Sonoma?

    Looking at all options, your cheapest flight can be booked for $38. While the most popular route (San Diego - San Francisco) can be booked for $57 on average our data indicates $798 when flying from San Diego to Sonoma.

  • Can I find deals for flights from San Diego to Sonoma that include hotel bookings?

    Yes. In addition to deals on San Diego to Sonoma flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Sonoma?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Sonoma.

  • Can I find deals for business class flights from San Diego to Sonoma?

    Yes. Cheapflights offers flight deals from San Diego to Sonoma by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Sonoma?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Sonoma (average of $276). Flying from San Diego to Sonoma in June is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 8 airlines flying from San Diego to Sonoma

Discover the top 8 airlines that operate flights from San Diego to Sonoma. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$27Average$100FlexibilityNo cancel feeOn-time65%
FrontierCheapest$27Average$73FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$28Average$200FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$57Average$150FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$57Average$243FlexibilityNo cancel feeOn-time75%
DeltaCheapest$88Average$196FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$97Average$206FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$353FlexibilityNo cancel feeOn-time71%

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